Livestock Management RANCHING Table 3 – Nutritional needs prior to and after calving
Cow Weight of 1200 pounds
TDN per day NEM Mcal/day
Protein pounds/day Calcium Gm/day
Phosphorus Gm/day Vitamin A IU/day
30 days prior to calving and 90 days after calving
14.7 13.3 2.3 33 25
40,000
says, “If a calf looks like he is not performing like the other calves, or if he doesn’t have a good hair coat and is not doing well, I would separate him out, look him over and see if there was anything that was contribut- ing to the lack of thriftiness. Sometimes when calves are born during wet, cold weather we’ll see scours. Scours can be prevented with vaccines, but it can also be prevented with nutrition.” Hutcheson says it is not likely that the calf will
get too much nutrition. “He may get fatter or, as we say, too much condition, but he will grow out of his condition with adequate protein,” he says. “The key
is having adequate protein for that calf. His period of most rapid growth is in the fi rst 6 months after he’s born. We want to make sure he gets everything he needs. If you’re not supplementing anything on for- age, he will not do as well as he would if the forage is supplemented to the cow, and the calf can get to some of the supplement as well.” It is important to maintain a body condition at
calving time that will allow the cows to reproduce economically and effi ciently. The maintenance of body condition is important to the profi tability of a cow herd. Poor body condition affects pregnancy rate, calv-
ing interval, calf age at weaning and calf daily gain. A body condition score (BCS) of 5 should be the goal for the cows at calving. Cows that are at less than 5 should be separated from the herd and fed 20 to 30 percent more energy and protein depending on how far in arrears they are. A cow is at BCS 5 or better if its spine and ribs are
not visible, except for perhaps 1 or 2 ribs. A cow is at 6 or better if there is fat on the cow’s tailhead and brisket. Hutcheson says, “Cows in good condition at calving
will rebreed properly and produce a healthy, growing calf.”
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thecattlemanmagazine.com PRIVATE TREATY CARCASS DATA
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